Home / 729,193.40-1,093,790.10-662,708.60

Finding the Fourth Proportional to 729,193.40, 1,093,790.10 and 662,708.60

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Solution

The fourth proportional to 729,193.40, 1,093,790.10 and 662,708.60 is: 994,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,193.40 : 1,093,790.10 = 662,708.60 : x
  2. Step 2: Convert to fraction form
    729,193.40/1,093,790.10 = 662,708.60/x
  3. Step 3: Cross multiply
    729,193.40x = 1,093,790.10 × 662,708.60
  4. Step 4: Simplify right side
    729,193.40x = 724,864,105,864.86
  5. Step 5: Solve for x
    x = 724,864,105,864.86/729,193.40
  6. Step 6: Final answer
    x = 994,062.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.